CN202707153U - Thermoelectricity cooling co-production system utilizing steam heat accumulator - Google Patents
Thermoelectricity cooling co-production system utilizing steam heat accumulator Download PDFInfo
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- CN202707153U CN202707153U CN2012203894873U CN201220389487U CN202707153U CN 202707153 U CN202707153 U CN 202707153U CN 2012203894873 U CN2012203894873 U CN 2012203894873U CN 201220389487 U CN201220389487 U CN 201220389487U CN 202707153 U CN202707153 U CN 202707153U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses a thermoelectricity cooling co-production system utilizing a steam heat accumulator. The thermoelectricity cooling co-production system comprises a boiler, a high-pressure steam bleeding cylinder, a superheater, a backpressure type steam turbine unit, a generator unit, the steam heat accumulator, a steam user, a steam generator, an absorption type refrigerator, a steam using workshop, a low-pressure steam bleeding cylinder, a temperature-decreasing and pressure-reducing device, a boiler water supplying system and a pump condensation type steam turbine unit. One path of a steam outlet of the low-pressure steam bleeding cylinder is connected with the pump condensation type steam turbine unit, one path of the steam outlet of the low-pressure steam bleeding cylinder is connected with the steam using workshop, the middle of the steam outlet of the low-pressure steam bleeding cylinder is connected with the steam heat accumulator in series, one steam pumping port of the pump condensation type steam turbine unit is connected with the steam using workshop, a steam outlet of the pump condensation type steam turbine unit is connected with the boiler water supplying system, and the middle of the pump condensation type steam turbine unit is connected with the absorption type refrigerator. A steam outlet of the backpressure type steam turbine unit is connected with the steam heat accumulator in parallel, a steam inlet of the backpressure type steam turbine unit is connected with the temperature-decreasing and pressure-reducing device in parallel, and power generation is stable. The whole system is high in waste heat using rate, not only has thermoelectricity co-production, but also can provide cooling capacity for a factory.
Description
Technical field
The utility model relates to a kind of bootstrap system, particularly the Combined Heating Cooling And Power of applying steam thermal accumulator.
Background technique
Along with the shortage of the energy and the requirement of energy-saving and emission-reduction improve day by day, the comprehensive utilization technique of the energy is in continuous lifting.North City planning cogeneration carries out central heat supply, to substitute original independent boiler central heat supply, realizes the requirement of energy-saving and emission-reduction.Take full advantage of used heat, realize better energy-saving and emission-reduction, guarantee again the safe and reliable operation of heat production factory and heat supply network simultaneously, the various technology of waste heat of utilizing constantly occur, for example store by steam accumulator, incorporate heat supply network into, perhaps by mobile heat supply nurse tanker, directly draw to the user, the cogeneration of heat and power technology that occurs recently, the utilization ratio of waste heat can be improved at least about 5%, so, the cogeneration of heat and power of China is developed rapidly.The Eleventh Five-Year Plan period, approximately 6,000 ten thousand kilowatts of the newly-increased heat supply machine kludge capacity in the whole nation, reach 13,000 ten thousand kilowatts to heat supply machine kludge total capacity in 2010, this accounts for 18.2% of whole nation fired power generating unit installation same period total capacity, accounts for about 17% of national generator set total capacity.
Studies show that simultaneously, the feedwater of process steam turbine still has very high Btu utilization to be worth, and after producing mechanical energy through back pressure turbine such as superheated vapor, out remains steam, can directly supply with the steam user, and very high value is arranged; The water temperature of the outlet end of sucking condensing turbine group can reach 80 degree, if the water of this part is produced cold by Absorption Refrigerator, be the office workshop of factory in summer, the workman operates workshop cooling, this part water after the cooling, be re-used as boiler feed water and again send boiler back to, again utilize, the utilization ratio of waste heat will improve greatly, but the patented technology of this respect or a blank.
Summary of the invention
In order to take full advantage of waste heat, make waste heat energy provide cold in summer for factory, the utility model provides a system that utilizes waste heat to realize cold-hot electirc linking, and technological scheme is as follows: the Combined Heating Cooling And Power of applying steam thermal accumulator, comprise boiler, the high pressure sub-cylinder, superheater, back pressure steam turbines, generator set, steam accumulator a, steam accumulator b, steam accumulator c, the steam user, steam generator, Absorption Refrigerator is used garage, the low pressure gas-distributing cylinder, temperature-decreased pressure reducer, the feed water system of boiler, sucking condensing turbine group, boiler connects high pressure sub-cylinder steam inlet, high pressure sub-cylinder steam ouput one tunnel connects back pressure steam turbines, and one the tunnel connects the temperature-decreased pressure reducer steam inlet, and the temperature-decreased pressure reducer steam ouput connects low pressure gas-distributing cylinder steam inlet.
Described low pressure gas-distributing cylinder steam ouput is divided into two-way, one the tunnel connects the sucking condensing turbine group, the gas workshop is used in one tunnel connection, the centre is in series with steam accumulator c, be in series with superheater between high pressure sub-cylinder and the back pressure steam turbines, the extraction opening of sucking condensing turbine group connects uses garage, between be parallel with steam accumulator b, the steam ouput of steam accumulator c connects uses garage, sucking condensing turbine group steam ouput to be divided into three tunnel, one tunnel connection Absorption Refrigerator steam inlet, one the tunnel is connected with the steam user, middle series connection steam generator, the one tunnel directly is connected with the feed water system of boiler, and the steam (vapor) outlet of Absorption Refrigerator connects the feed water system of boiler.
The beneficial effects of the utility model are:
1, by the steam ouput of back pressure steam turbines steam accumulator in parallel, steam inlet is by the high pressure sub-cylinder, and temperature-decreased pressure reducer in parallel, solved the problem of back pressure type steam turbine inlet steam pressure surge with the fluctuation of outlet vapor pressure, generate electricity more stable, export simultaneously steam and can directly supply with the user, compare with condensing turbine in parallel or sucking condensing turbine, equipment connection is simple, and cost is lower.
2, the steam ouput of low pressure gas-distributing cylinder connects with garage and sucking condensing turbine, is in series with steam accumulator in connection with in the middle of the garage, and a bleeding point of sucking condensing turbine also connects uses garage, has fully guaranteed to use the stable with vapour of garage.
3, the steam condensate of sucking condensing turbine outlet enters Absorption Refrigerator, both for whole factory provides cold, takes full advantage of residual heat of condensed water, and water of condensation enters again the feed water system of boiler, has realized the water circuit utilization.
Description of drawings
Fig. 1 is bootstrap system figure of the present utility model
1, boiler 2, high pressure sub-cylinder 3, superheater 4, back pressure steam turbines 5, generator set 6, electrical network
7, steam accumulator a 8, steam user 9, steam generator 10, Absorption Refrigerator 11, coolant outlet end
12, cooling water intake end 13, usefulness garage 14, steam accumulator b 15, steam accumulator c 16, low pressure gas-distributing cylinder 17, temperature-decreased pressure reducer 18, the feed water system of boiler 19, sucking condensing turbine group.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment:
As shown in Figure 1, the Combined Heating Cooling And Power of applying steam thermal accumulator, comprise boiler 1, high pressure sub-cylinder 2, superheater 3, back pressure steam turbines 4, generator set 5, electrical network 6, steam accumulator a7, steam user 8, steam generator 9, Absorption Refrigerator 10, coolant outlet end 11, cooling water intake end 12, with automobile 13, steam accumulator b14, steam accumulator c15, low pressure gas-distributing cylinder 16, temperature-decreased pressure reducer 17, the feed water system of boiler 18, sucking condensing turbine group 19, the steam (vapor) outlet of boiler 1 connect high pressure sub-cylinder 2 steam inlets, and high pressure sub-cylinder 2 steam ouputs one tunnel connect back pressure steam turbines 3, one the tunnel connects temperature-decreased pressure reducer 17 steam inlets, the mechanical output terminal of back pressure steam turbines 4 connects generator set 5, and the electricity that generator set 5 sends is sent into electrical network 6, and pressure and temperature reducing 17 outlets connect low pressure gas-distributing cylinder 16 steam inlets, the mechanical output terminal of sucking condensing turbine group connects generator set 5, the electricity that generator set 5 sends is sent into electrical network 6, and described low pressure gas-distributing cylinder 16 steam ouputs one tunnel connect sucking condensing turbine group 19, a tunnel and connect with garage 13, the centre is in series with steam accumulator c15, be in series with superheater 3 between high pressure sub-cylinder 2 and the back pressure steam turbines 4, the extraction opening of sucking condensing turbine group 19 connects with garage 13, between be parallel with steam accumulator b14, the steam ouput of steam accumulator c15 connects with garage 13, sucking condensing turbine group 19 steam ouputs are divided into three the tunnel, the one tunnel and connect Absorption Refrigerator 10 steam inlets, and one the tunnel is connected with steam user 8, middle series connection steam generator 9, a tunnel directly is connected with the feed water system of boiler 18.In winter, the steam ouput of sucking condensing turbine group 19 without, directly enter the feed water system of boiler 18, in summer, the steam ouput of sucking condensing turbine group 19 through Absorption Refrigerator 10 cooling after, enter the feed water system of boiler 18.The steam (vapor) outlet of described Absorption Refrigerator 10 connects the feed water system of boiler 18.The required cooling water of Absorption Refrigerator 10 is from underground water, and underground water enters Absorption Refrigerator 10 through cooling water intake end 12, through entering factory's central air-conditioning system by coolant outlet end 11 after the vaporizer cooling.
Directly enter the high pressure sub-cylinder from boiler 1 steam out, from high pressure sub-cylinder 2 steam out, the one tunnel after superheater 3 is overheated, sends into back pressure steam turbines 4 driving steam turbine rotors and rotates, rotor rotates drive generator set 5 and sends electric energy, and the electric energy that sends is sent into electrical network.From back pressure steam turbines 4 out be low-pressure saturated steam, directly supply with steam user 8 and use, at the outlet of back pressure steam turbines 4 steam accumulator a7 in parallel, according to factory's actual demand, steam accumulator a7 can arrange many, and the annexation between the thermal accumulator is in parallel.Enter low pressure gas-distributing cylinder 16 after another road steam process temperature-decreased pressure reducer 17 decrease temperature and pressure, directly enter sucking condensing turbine group 19 from low pressure gas-distributing cylinder gas one tunnel out, be used for generating, one the tunnel enters steam accumulator c15, through sending into after the steam accumulator step-down with garage 13, extracting a part of steam out at the extraction opening of sucking condensing turbine group 19 sends into garage 13, middle steam accumulator b14 in parallel, all according to the actual demand layout of factory, the pass during the accumulation of heat is in parallel to the quantity of steam accumulator.From sucking condensing turbine out be water of condensation, can be used as boiler feed water and use, in summer, water of condensation can be made cold by Absorption Refrigerator 10, enter central air-conditioning system 11, be the cooling of whole factory, water of condensation can also become steam supply steam user 8 by steam generator 9.
Claims (1)
1. the Combined Heating Cooling And Power of an applying steam thermal accumulator, comprise boiler (1), high pressure sub-cylinder (2), superheater (3), back pressure steam turbines (4), generator set (5), steam accumulator a(7), steam accumulator b(14), steam accumulator c(15), steam user (8), steam generator (9), Absorption Refrigerator (10), with garage (13), low pressure gas-distributing cylinder (16), temperature-decreased pressure reducer (17), the feed water system of boiler (18), sucking condensing turbine group (19), boiler (1) connects high pressure sub-cylinder (2) steam inlet, high pressure sub-cylinder (2) steam ouput one tunnel connects back pressure steam turbines (4), one the tunnel connects temperature-decreased pressure reducer (17) steam inlet, and temperature-decreased pressure reducer (17) steam ouput connects low pressure gas-distributing cylinder (16) steam inlet
It is characterized in that described low pressure gas-distributing cylinder (16) steam ouput is divided into two-way, one the tunnel connects sucking condensing turbine group (19), one the tunnel connects with garage (13), the centre is in series with steam accumulator c(15), be in series with superheater (3) between described high pressure sub-cylinder (2) and the back pressure steam turbines (4), the extraction opening of sucking condensing turbine group (19) connects with garage (13), between be parallel with steam accumulator b(14), steam accumulator c(15) steam ouput connects with garage (13), sucking condensing turbine group (19) steam ouput is divided into three the tunnel, one the tunnel connects Absorption Refrigerator (10) steam inlet, one the tunnel is connected with steam user (8), middle series connection steam generator (9), one the tunnel directly is connected with the feed water system of boiler (18), and the steam (vapor) outlet of Absorption Refrigerator (10) connects the feed water system of boiler (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203894873U CN202707153U (en) | 2012-08-08 | 2012-08-08 | Thermoelectricity cooling co-production system utilizing steam heat accumulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012203894873U CN202707153U (en) | 2012-08-08 | 2012-08-08 | Thermoelectricity cooling co-production system utilizing steam heat accumulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970986A (en) * | 2014-04-09 | 2014-08-06 | 上海申瑞继保电气有限公司 | Calculating method of energy utilization efficiency of cogeneration cooling heating and power equipment |
| CN105298565A (en) * | 2015-11-06 | 2016-02-03 | 中国科学院工程热物理研究所 | Variable working condition active-control light-coal complementation indirect air-cooling generation system and method |
| CN107461728A (en) * | 2017-08-31 | 2017-12-12 | 国网吉林省电力有限公司电力科学研究院 | A kind of electric heat storage boiler heat regenerative system for peak regulation |
-
2012
- 2012-08-08 CN CN2012203894873U patent/CN202707153U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970986A (en) * | 2014-04-09 | 2014-08-06 | 上海申瑞继保电气有限公司 | Calculating method of energy utilization efficiency of cogeneration cooling heating and power equipment |
| CN103970986B (en) * | 2014-04-09 | 2017-02-15 | 上海申瑞继保电气有限公司 | Calculating method of energy utilization efficiency of cogeneration cooling heating and power equipment |
| CN105298565A (en) * | 2015-11-06 | 2016-02-03 | 中国科学院工程热物理研究所 | Variable working condition active-control light-coal complementation indirect air-cooling generation system and method |
| CN107461728A (en) * | 2017-08-31 | 2017-12-12 | 国网吉林省电力有限公司电力科学研究院 | A kind of electric heat storage boiler heat regenerative system for peak regulation |
| CN107461728B (en) * | 2017-08-31 | 2023-04-28 | 国网吉林省电力有限公司电力科学研究院 | Electric heat accumulating boiler heat regenerating system for peak shaving |
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Granted publication date: 20130130 Termination date: 20150808 |
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